Comparative trials of four Soviet tanks were conducted in the summer and fall of 1976 according to order of the Minister of Defense of the USSR D.F. Ustinov titled "On military trials of tanks" issued on July 20th, 1976. In September, a summary titled "Minutes of trials results" was composed. This article will discuss the contents of these documents.

The T-80 is a polarizing tank. Its supporters grow in number day by day, but most have seen it only on the screen, or at best at a museum or a demonstration. Fewer people consider the T-80 an unnecessary and harmful vehicle, but those are usually professionals with a deeper understanding.

- Introduction of a high precision automatic fire control system.
- Introduction of guided munitions.
- Increase of firing precision and firepower.
- Increase of ammunition capacity.
- Improving visibility and target acquisition, especially for the commander.
- Increase in effectiveness of protection, including development of new types.
- Further increase in the power to weight ratio of the tank in combination with improving the efficiency of the transmission, running gear, and controls.
- Increasing fuel economy and cruising range of tanks.
- Closing the gap between the current level of communications and modern requirements for controlling tank units.

- T-80: 5.4 rounds in 1.20 minutes
- T-64A tanks: 6.3 rounds in 1.50 minutes
- T-72 tanks: 7.6 rounds in 1.75 minutes
- T-62 tanks: 6.0 rounds in 2.60 minutes

- Standstill:
- T-80, T-64A, T-64B, T-72 tanks: 95%
- T-62 tanks: 100%
- On the move:
- T-80, T-64A, T-64B, T-72 tanks: 87-93%
- T-62 tanks: 73%

- T-80: 54%
- T-64A: 48%
- T-72: 44%
- T-62: 34%

- T-80: 20-27 seconds
- T-64A: 20-35 seconds
- T-72: 22-29 seconds
- T-62: 18-28 seconds

- T-80: 42 seconds
- T-64A: 51 seconds
- T-72: 54 seconds
- T-62: 75 seconds

- T-80: 14.1 kph
- T-64A: 12.4 kph
- T-72: 13.2 kph
- T-62: 11.4 kph

- T-80: 63.6%
- T-64A: 37.3%
- T-72: 36.1%
- T-62: 19.6%

- T-80: 81.5%
- T-64A: 60.0%
- T-72: 66.7%
- T-62: 66.1%

- T-80: 32.1-40 kph
- T-64A: 26.0-29.8 kph
- T-72: 28.8-35.6 kph
- T-62: 20.8-25.7 kph

- T-80: 28.2/25.5 kph
- T-64A: 23.7/19.9 kph
- T-72: 26.2/23.0 kph
- T-62: 20.0/16.8 kph

- T-80: 10.5-11 hours
- T-64A: 13.5-14 hours
- T-72: 12.0-12.5 hours
- T-62: 16.5-18 hours

- T-80: 400-450 km
- T-64A: 300-330 km
- T-72: 350-400 km
- T-62: up to 270 km

- T-80: 22,820 L of fuel and 0 L of oil
- T-64A: 13,544 L of fuel and 304 L of oil
- T-72: 12,337 L of fuel and 157 L of oil
- T-62: 9,782 L of fuel and 134 L of oil

- T-80: 642 L
- T-64A: 404 L
- T-72: 357 L
- T-62: 308 L

- T-80: 278/338/270 km
- T-64A: 305/400/320 km
- T-72: 322/430/344 km
- T-62: 301/427/341 km

- T-80: 255-340/310-413 km
- T-64A: 263-366/348-490 km
- T-72: 273-400/366-535 km
- T-62: 256-358/363-506 km

- T-80: 18 minutes
- T-64A: 30 minutes
- T-72: 27 minutes
- T-62: 26 minutes

- T-80: 40-44 minutes
- T-64A: 64-68 minutes
- T-72: 60-64 minutes
- T-62: 56-60 minutes

- T-80: 5.5 minutes
- T-64A: 10 minutes
- T-72: 10 minutes
- T-62: 12 minutes

- T-80: 84 minutes
- T-64A: 27.9 minutes
- T-72: 21.3 minutes
- T-62: 25.4 minutes

- T-80: 31.2 kph
- T-64A: 26.4 kph
- T-72: 28.5 kph
- T-62: 19.2 kph

- T-80: 8.16 hours
- T-64A: 11.06 hours
- T-72: 13.03 hours
- T-62: 22.12 hours

That's very interesting article! In terms of fuel consumption of tanks with gas turbine- I have found data from Swedish test which show far worse fuel consumption in Abrams than in Leopard 2. According data- 14.7 liters per kilometer in Abrams and 7.2 liters per kilometer in Leo 2. To be fair, I have found criticism of Swedish data (IIRC lack of APU usage instead gas turbine when tank stay).

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